Dimethyl Sulfoxide–Silver Tetrafluoroborate

(DMSO) [67-68-5] C2H6OS (MW 78.13) InChI = 1S/C2H6OS/c1-4(2)3/h1-2H3 InChIKey = IAZDPXIOMUYVGZ-UHFFFAOYSA-N (AgBF4) [14104-20-2] BF4Ag (MW 194.68) InChI = 1S/Ag.BF4/c;2-1(3,4)5/q+1;-1 InChIKey = CCAVYRRHZLAMDJ-UHFFFAOYSA-N (reagent for conversion of alkyl halides to aldehydes and ketones) Physical Data: DMSO: mp 18.55 °C; bp 189 °C/760 mmHg; 76 °C/16 mmHg; d (25 °C) 1.0958 g cm−3; dielectric constant (25 °C) 46.7. AgBF4: mp 200 °C. Solubility: DMSO: miscible with water and most organic solvents. AgBF4: sol water, ether, toluene, nitromethane, DMSO; moderately sol benzene and cyclohexane. Form Supplied in: DMSO: clear anhyd liquid, widely available. AgBF4: crystalline white solid, widely available. Drying: DMSO: generally quite dry when freshly opened, but very hygroscopic; distill from CaH2 under reduced pressure. AgBF4: very hygroscopic; dry in vacuo at 80 °C. Handling, Storage, and Precautions: see Dimethyl Sulfoxide and Silver(I) Tetrafluoroborate.